Linux is an open-source operating system similar to Windows, Mac, and Android.
Shares similarities with Unix including kernel, shell, and programs.
Widely used in servers, cloud computing, supercomputers, embedded systems, and developer environments due to its reliability, scalability, and security.
Purpose and Use
Linux is foundational in web hosting, data centers, and IoT devices.
The tutorial is designed for both beginners and experienced professionals covering basic and advanced concepts.
Tutorial Overview
Getting Started with Linux: Step-by-step guide from basics to advanced topics like networking, file permissions, and package management.
Introduction to Linux: Basics, differences from Windows, understanding Linux distributions.
Installing Linux
Various methods to install and run Linux, including dual boot with Windows and using WSL2.
Linux Commands
Basic Commands: Essential for beginners.
File System Navigation: Commands like pwd, ls, cd, mkdir, rmdir, cp, and mv.
File Management
Commands for listing, creating, displaying, copying, moving, and deleting files.
File Permissions
Managing permissions, using chmod, and understanding links in Unix/Linux.
Package Management
Use of apt, yum, dnf for handling software dependencies and updates.
User and Group Management
Creating and managing user accounts and groups, permissions settings.
Networking
Configuration and troubleshooting commands, setting up firewalls.
Shell Scripting
Writing scripts for task automation using Bash and other shell environments.
System Administration
Involves managing Linux systems, user management, file permissions, software installation, and system performance.
Advanced Topics
Linux Kernel: Overview and Loadable Kernel Modules.
Virtualization: With Docker and VirtualBox.
Networking Services: DHCP, DNS, FTP.
Web Server Administration: Differences between Apache and Nginx.
Linux in Cloud Computing
Role in cloud platforms like AWS, Azure.
Learning Approach
Basics: Understand core components and distributions.
Install: Set up a beginner-friendly distribution.
Commands: Learn essential Linux commands.
File System: Explore structure and permissions.
Text Editors: Use Vim or Nano.
Package Management: Learn software management.
Shell Scripting: Write and use scripts.
Process Management: Use commands like ps, top.
Networking: Learn IP configuration and firewall settings.
Advanced Tools: Use grep, awk.
Projects: Set up web servers, SSH.
Stay Updated: Regular practice and forum engagement.
Career Opportunities
Varied roles from System Administrator to Cloud Engineer.
Linux certifications like CompTIA Linux+, RHCSA, LPIC-1 enhance job prospects.
Companies Using Linux
Major companies include Google, Amazon, Facebook, NASA, Twitter, IBM, Netflix, Tesla, Wikipedia, and Airbnb, using Linux for its robustness in servers and cloud infrastructure.